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What homeowners get wrong about breaker capacity

Every time a breaker trips, it is quietly telling you something about the limits of your wiring, yet most homeowners misread that signal. Instead of seeing a protective device doing its job, you might ...
Electrical Construction & Maintenance

Schneider Electric Recalls Circuit Breakers Due to Fire, Burn, Shock Hazards

Schneider Electric is recalling about 62,500 PowerPact J-frame molded case circuit breakers with thermal-magnetic trip units. The circuit breaker will not trip during an overload condition, posing a ...
Electronic Design

Components: Lightweight Circuit Breaker Handles 1 To 50 A In A Small Package

Don't let the light 60-g weight of the 4140 aerospace circuit breaker, which includes optional auxiliary contacts, fool you. It can handle 1 to 50 A in a package that's smaller than Mil-Spec MS 24571 ...
T&D

Circuit Breaker Handles Operating Currents up to 6300 A

Siemens Power Transmission and Distribution has expanded its range of products with the new high-current and generator circuit breaker 3AH37 Siemens Power Transmission and Distribution has introduced ...
Electronic Design

MS 3320 Circuit Breaker Can Handle Up To 35A

Said to be the first MS 3320 circuit breaker rated to 35A, the 483 Series numbers among its many features an advanced dual chamber construction, allowing the breakers to handle large DC currents. The ...
Electrical Construction & Maintenance

Low-Voltage Circuit Breaker Requirements

As noted in NFPA 70B, insulated-case and molded-case circuit breakers should be kept clean of external contamination (Comstock/Stockbyte/Thinkstock). Low-voltage ...